Force Nvidia instead of Onboard Intel GPU

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  1. Posts : 282
    Windows 10, 8.1, 7, and Vista

    Menendon said:
    I have already. Everywhere that I can change it to only use the Nvidia card, it's already been changed. But the PhysX visual indicator never stops saying "CPU". I'm assuming that means that it's the Intel integrated graphics??
    Forget PhysX.

    Open Minecraft if you have it, then press F3. See if it shows your 850M. If it does, you're set to use the 850M.
      My Computer

  2. Posts : 2
    Windows 10 Pro / Version 1607

    Menendon said:
    I set everything in the the Nvidia Control Panel to force the system to use my Nvidia Geforce 850M GPU, since I noticed that it wasn't ever switching. I also set it to display on the screen what GPU the Physx engine is using, and it always uses the onboard Intel GPU. I also checked my system information, and the Nvidia card is listed as a render-only card. From what I've googled, that means that it isn't being fully utilized. Does anyone have information on this? My games seem fairly slow compared to what a couple of sites have said my card should be able to handle. For example, Arkham Knight has to run on low graphics for my FPS to be decent and not lag. I know I'm on a laptop, but my system specs should be able to handle more.
    I found these instructions to be very helpful:

    Enable Hardware Acceleration In Chrome / Chromium Browser [Quick Tip] ~ Web Upd8: Ubuntu / Linux blog

    In summary:
    1. Go to chrome://flags and Enable "Override software rendering list"
    2. After restart, go to chrome://gpu and confirm GL_RENDERER is NVIDIA.
    3. Optional: Browse to WebGL MAX parameters test to ensure WebGL agrees (Unmasked Renderer).

    - Dave
      My Computer

  3. Posts : 2,277
    Windows 10

    I don't think you understand how it works. Such Laptops use Optimus switching between the iGPU and Nvidia Graphics. You have a choice of one or the other by right clicking the Desktop Shortcut, the only other choice you have is to make one the default for that particular application/game.

    This is also accessible from the Nvidia Control Panel.

    Whilst there is a link to PhysX configution it is fixed on Auto-select. So when the Nvidia card is selected then the PhysX is, that is just part of the Nvidia driver, they like to give it a fancy name to impress.

    The easiest thing to do to check things are working correctly is to install a standard test like 3DMark. I have been using this one in it's various iterations on Nvidia Graphics Cards for something like 15 years.
    You can then compare your performance with systems/Laptops with identical hardware i.e. the same CPU, iGPU and Nvidia M chipset, and indeed with other makes of Laptops with the same hardware.
    My Laptop falls exactly as expected within the bunch of results for the same hardware. There a high degree of confidence that it is running correctly as expected.

    Individual games are a very different matter as you never know what screen resolution, detail settings are being used. No hope at all of a realistic comparison.
      My Computer

  4. Posts : 2
    Windows 10 Pro / Version 1607

    Helmut said:
    I don't think you understand how it works.


    I have been using this one in it's various iterations on Nvidia Graphics Cards for something like 15 years.
    Hi Helmut.

    Thanks for the reply. Late last night, and early into the morning (US EST), I was researching how to force my Chrome browser to use my NVIDIA GeForce GTX 1070 for video-intensive apps like YouTube 4K/8K and Netflix. I happened upon two "solution" pages, referenced earlier, and this page. Somehow, in my sleep-deprived mind, I inferred that this thread was also inquiring about forcing a standard user app to use a high performance NVIDIA graphics card.

    For sure, the first step to get Chrome or any other 3D-agnostic app to use the graphics card is to bring up the NVIDIA Control Panel and force it to use the discrete video card (Chrome explicitly defaults to "Onboard" for some reason, as do most browsers). Then, following the Chrome-specific steps above, I confirmed my GTX 1070 being used to process video in a browser window.

    Executive Summary: I provided a (hopefully) right/helpful answer to the wrong question.

    - Dave
      My Computer

  5. Posts : 1,116
    win 10 pro x64 os build 20H2

    my board has optimus and i just unplugged the monitor from the onboard and it bypasses the intel gpu, but not sure how this works if yours is a laptop , i don't think on laptops you have the choice to use one or the other. I know on desktops that use nvidia optimus you just like i said have to unplug the monitor from the hdmi port and plug into graphics card and it's all set.Mine is a msi z77a-g45 mainboard.
      My Computer


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